[TriLUG] SLES9 RAID and EVMS

[Pat Regan]

Ken Mink wrote:
> It took me a bit to work out exactly how. Before removing one of the md
> physical volumes, who'd have to pvmove all the physical extents to the new
> physical volume(the new md device). Once all the PEs were moved to the new
> larger volumes, who'd be free lvextend to use more space.
> 

You are correct, you would have to use pvmove to clear out the original
md devices before removing them.  I didn't think to mention that :(.

> This would work. For the largest md device size there must be that much free
> on the disks.

Somebody probably knows a better strategy than just slicing it up into
equal size pieces.  You can probably somehow take advantage of the fact
that the new md devices will always be a bigger than the old ones :).

Pat
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